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Old 02-21-2018, 03:43 PM   #7
Bobby Lundholm
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Join Date: Dec 2006
Location: Charlevoix, MI
Posts: 421
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Default Re: Thoughts on accepted aftermarket heads for 350?

Quote:
Originally Posted by rick winchester View Post
Unless you are running Super stock and filling the ports none of these heads are going to meet the port cc. numbers. You just cannot mill enough off get from 175 to 161 cc . I know they are showing 172 cc but check 174/175 cc. Rick.
Then if you can't adjust the runners because that's illegal and you can't leave them as is because they have to reflect stock runner numbers how would they be able to kick you out if you are running the spec head they approved?
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